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Old 08-23-2007, 09:24 AM   #1
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Need to change tires, would like the smoother riding 305 but they are hard to find!! So which manufacturer would you recommend?
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Old 08-23-2007, 09:24 AM   #2
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Need to change tires, would like the smoother riding 305 but they are hard to find!! So which manufacturer would you recommend?
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Old 08-23-2007, 09:59 AM   #3
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We had the 70 series tires (load range J) and they road rough. Switched to the 275/80R22.5's and received a better ride (Michelin XZA3). We have to use load range H on the front; load range G is fine for the rear. I was also able to lower the tire pressures which no doubt helped with the ride. A side benefit is that the 275/80's are generally more readily available should you need one.
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Old 08-23-2007, 10:02 AM   #4
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I notice you want to stay with 70 series low profile. I changed my 70 series 275's on my '02 DSDP to 80 series "H" 275. 2.5" taller and less air required for the same weight as the 70's.
I would go with Michelin any model except XRV, which I don't think comes in a 275 H 80 22.5R anyway.

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Old 08-23-2007, 10:34 AM   #5
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Just a reminder as you play with sizes/profiles to make sure the new tires do not cause a dually kiss.
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Old 08-23-2007, 11:05 AM   #6
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Jeff makes a good point. Uping the sizes can cause dual issues. Staying with 275 and moving up in series, 70 to 80, will not cause such problems. I might add that when I did it on my '02 DSDP the ride and handling were remarkably better, and I thought the original was good before. It was well worth the buck$.

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Old 08-23-2007, 11:09 AM   #7
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I think you have 7.50" wheels and 305 tires need wider wheels. I recommend going to 275/80 XZA3 LR H tires. You will love the ride.
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Old 08-23-2007, 11:46 AM   #8
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I have Michelin 275X70X22.5 load range J on my coach. They are as smooth riding as one could want. Before I could make this statement I had to:
<UL TYPE=SQUARE>
<LI>lower the air pressure to 95 in the front and 85 in the rear, based on the weight of all corners.
<LI>All tires were balanced via a truck tire balancing machine.
<LI>Front tires were replaced with Michelin XZE2+ (original tires were out of round).
<LI>Rear tires are Michelin XZA1.[/list]Before going to a larger size and encountering all the considerations that come with that decision, consider:
<UL TYPE=SQUARE>
<LI>going to a higher load range
<LI>having the tires balanced using a truck tire spin balancing machine
<LI>making the purchase at an authorized truck tire shop for the Brand of tire you choose.
<LI>talk to the shop manager before the purchase and seek his advice.[/list]A tire purchase is a large expense. Good luck and let us know what you decide and how it all turns out.

28K miles and no porblems.
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Old 08-23-2007, 01:38 PM   #9
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Would you put the XZA3 front and rear????
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Old 08-23-2007, 02:14 PM   #10
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Why not? We are talking tires, your lifelink to the highway. Why not put the very best you can afford all around and keep things simple. JMHO
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Old 08-23-2007, 03:11 PM   #11
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just priced mich, 275/80-22.5 xza3 for 2,otd 1120.00-mt,bal&new stems(spin bal)
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Old 08-23-2007, 07:56 PM   #12
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Thanks for all the replies, I was considering Toyo, but no one suggested them!! I'm getting prices from Michelin and Goodyear. I'm told it will be about$550-600 per tire complete. Canadian funds if that comes about I'll be happy. 275 80R 22.5 Thanks again to you all
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